Long, sun-filled days mean saying so long to a stuffy gym and hello to biking, swimming, and outdoor exercise.  Research shows that taking your workout outdoors can rev up the intensity of workouts without making it feel harder.

I recently read an article describing an athletic center in Los Angeles replete with treadmills, a heated swimming pool, and personal trainers. This would ordinarily not be news, especially in LA, except that clients at this gym work out on four legs instead of two and have fur instead of hair. The headline read, "Why take a walk in the park when you can put your pooch on a...treadmill?"...Article Continued